| Index: Source/core/streams/ReadableStream.idl
|
| diff --git a/Source/core/streams/ReadableStream.idl b/Source/core/streams/ReadableStream.idl
|
| index 5d4a76e1e20fb4c2beae6eb50582c89200019bab..e97eaa49e4ea4cdc9a504a7136782d8a2b05aefd 100644
|
| --- a/Source/core/streams/ReadableStream.idl
|
| +++ b/Source/core/streams/ReadableStream.idl
|
| @@ -9,5 +9,5 @@
|
| ActiveDOMObject,
|
| ] interface ReadableStream {
|
| [RaisesException] ReadableStreamReader getReader();
|
| - [CallWith=ScriptState] Promise<void> cancel(any reason);
|
| + [CallWith=ScriptState] Promise<void> cancel(optional any reason);
|
| };
|
|
|